Oracle semantic technologies resources

I have started to look at the semantic technologies available in Oracle’s portfolio and so far I like what I see. At HP, I had access to top experts on semantic technologies (mostly from HP Labs) but no special product (not counting Jena which is available to everyone). At Oracle, I find both top experts and very robust products. If you too are looking into Oracle’s offering related to semantic technologies, here are a few links to publicly-available resources that I have found useful. This is filtered based on my interests (yours may be different, for example I skip content related to life sciences applications).